
Samsung ASIC
3-255
STD150
FD2S/FD2SD2/FD2SD4
D Flip-Flop with Reset, Scan, 1X/2X/4X Drive
Switching Characteristics
FD2SD2
(Typical process, 25
°
C, 1.2V, t
R
/t
F
= 0.13ns, SL: Standard Load)
FD2SD4
Path
Parameter
Delay [ns]
SL = 2
0.071
0.074
0.227
0.214
0.123
0.524
0.059
0.061
0.303
0.343
0.055
0.173
<
Delay Equations [ns]
Group1*
0.054 + 0.008*SL
0.058 + 0.008*SL
0.213 + 0.007*SL
0.198 + 0.008*SL
0.103 + 0.010*SL
0.503 + 0.010*SL
0.043 + 0.008*SL
0.045 + 0.008*SL
0.291 + 0.006*SL
0.329 + 0.007*SL
0.039 + 0.008*SL
0.162 + 0.006*SL
Group2*
0.055 + 0.008*SL
0.062 + 0.007*SL
0.222 + 0.005*SL
0.208 + 0.005*SL
0.111 + 0.008*SL
0.517 + 0.007*SL
0.044 + 0.008*SL
0.051 + 0.006*SL
0.298 + 0.004*SL
0.338 + 0.005*SL
0.038 + 0.008*SL
0.168 + 0.004*SL
Group3*
0.052 + 0.008*SL
0.073 + 0.006*SL
0.237 + 0.004*SL
0.233 + 0.004*SL
0.133 + 0.007*SL
0.555 + 0.005*SL
0.032 + 0.008*SL
0.050 + 0.006*SL
0.305 + 0.004*SL
0.354 + 0.004*SL
0.027 + 0.008*SL
0.174 + 0.004*SL
CK to Q
tR
tF
tPLH
tPHL
tF
tPHL
tR
tF
tPLH
tPHL
tR
tPLH
RN to Q
CK to QN
RN to QN
*Group1 : SL < 4, *Group2 : =
Path
Parameter
Delay [ns]
SL = 2
0.051
0.043
0.371
0.331
0.043
0.222
0.055
0.046
0.283
0.300
0.067
0.593
<
Delay Equations [ns]
Group1*
0.045 + 0.003*SL
0.036 + 0.004*SL
0.364 + 0.003*SL
0.325 + 0.003*SL
0.037 + 0.003*SL
0.215 + 0.003*SL
0.047 + 0.004*SL
0.038 + 0.004*SL
0.277 + 0.003*SL
0.293 + 0.003*SL
0.060 + 0.003*SL
0.585 + 0.004*SL
Group2*
0.042 + 0.004*SL
0.037 + 0.003*SL
0.368 + 0.002*SL
0.329 + 0.002*SL
0.036 + 0.003*SL
0.220 + 0.002*SL
0.046 + 0.004*SL
0.042 + 0.003*SL
0.282 + 0.002*SL
0.298 + 0.002*SL
0.059 + 0.004*SL
0.591 + 0.002*SL
Group3*
0.031 + 0.004*SL
0.034 + 0.003*SL
0.376 + 0.002*SL
0.341 + 0.002*SL
0.035 + 0.003*SL
0.231 + 0.002*SL
0.035 + 0.004*SL
0.038 + 0.003*SL
0.291 + 0.002*SL
0.310 + 0.002*SL
0.047 + 0.004*SL
0.605 + 0.002*SL
CK to Q
tR
tF
tPLH
tPHL
tF
tPHL
tR
tF
tPLH
tPHL
tR
tPLH
RN to Q
CK to QN
RN to QN
*Group1 : SL < 4, *Group2 : =